ZXMW NR8250 Alarm and Notification Handling Reference
2.2.10 134237743 MS-RDI
Alarm Property
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Alarm Code: 134237743
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Alarm Information: The alarm is reported if the quality of SDH frame signal received by
the board degrades and Bit8 error codes of the higher order path exceed the threshold.
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Alarm Level: Major
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Alarm Type: Communications Alarm
Sub-code Description
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Sub-code 1: Optical port 1 on the RTUB board;
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Sub-code 2: Optical port 2 on the RTUB board.
Effect on the System
The signal transmitted on the SDH link is interrupted.
Possible Causes
1.
The receive unit of uplink signal source equipment detects invalid signals.
For
example, the signals contain the RS-LOS,RS-LOF or MS-AIS alarm.
2.
The signal sent from the upstream equipment to NR8250 equipment contains the
MS-RDI information.
3.
The RTUB board that reports the alarm is faulty.
Handling Procedure
1.
Check whether NR8250 uplink equipment reports alarms such as RS-LOS, RS-LOF,
or MS-EXC.
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If yes, handle the alarm by referring to the corresponding handling suggestion.
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If no, go to step 2.
2.
Ensure that the signals sent by upstream equipment to NR8250 equipment do not
contain the MS-RDI signal.
3.
The alarm is caused by RTUB board failure. Replace the board.
2.2.11 134237744 LP-RDI
Alarm Property
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Alarm Code: 134237744
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Alarm Information: TU Remote Defect Indication (LP-RDI) alarm. When a fault occurs
at the remote end, for example, it receives a TU-AIS alarm, it will send a message
about this situation to the local end. The local end then reports the LP-RDI alarm.
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Alarm Level: Major
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Alarm Type: Communications Alarm
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SJ-20111008094748-008|2012–05–30 (R1.1)
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